Using CoreDNS as a easy to deploy DNS server to host custom domains for development and testing purposes.

Running a local dns server is useful to assign domain names for testing purposes. This note is about running dnsmasq on MacOS.

How to redirect DNS queries for the domain ".test" to a local DNS server like dnsmasq.

Using a locally built image in Kubernetes during development

Flashing an ISO image to an external drive like a USB stick or an SDCard is a common way to get up and running with a new system. The "classic" way of burning this to a CD-ROM is not really in use anymore. Still, many projects do provide images as …

A wrap up of my thoughts around the concept of virtual conferences including first conclusions from comparing to on-site conferences.

Building PDF documents via Sphinx depends of LaTeX being available, this resulted in quite heavy container images which took also very long to build. Out of curiosity I tested to build a minimal Texlive environment based on Nix and got surprisingly nice results, both the image size and the build time dropped significantly.

Small snippet how to run a command with a few extra dependencies inside of the environment in an ad-hoc fashion.

NixOS allows to easily build images of a machine configuration. This post shows in an example how to build a more recent version of the base image which NixOPS uses to spin off Virtualbox based machines. The idea should be applicable to all kinds of machine configurations.

Installation of minikube on OSX via Nix.